Table 1.

Relative Metal and Protein Content in PSAPP AD Plaques

	Zinc	Copper	Iron	Calcium	Protein
Measured (inside/outside plaque)	2.07 ± 0.34	1.25 ± 0.11	1.33 ± 0.14	1.50 ± 0.23	1.61 ± 0.18
% Difference	+107.0	+25.0	+33.0	+50.0	+61.0
Normalized	1.29 ± 0.12	0.79 ± 0.07	0.83 ± 0.09	0.94 ± 0.16
% Difference	+29.0	−22.0	−17.0	−7.0